anonymous
  • anonymous
8x-Y=5? (solving for slope)
Mathematics
jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
finding the slope is simple. all we need to do is re-write the equation in terms of y and we'll go from there.
anonymous
  • anonymous
so wouldn't it be -Y=5-8X?
anonymous
  • anonymous
correct. One more step, let's get rid of the negative.

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anonymous
  • anonymous
we do that my multiplying both sides by -1 or divide both sides by -1
anonymous
  • anonymous
Divide
anonymous
  • anonymous
It is the same but sure, let's divide.
anonymous
  • anonymous
-Y=5-8X --------- -1 ?
anonymous
  • anonymous
|dw:1443489513454:dw|
anonymous
  • anonymous
when you divide an entire side, it means each term has to be divided.
anonymous
  • anonymous
the general rule is that whenever and equation is in the form of y=mx + b m is the slope/gradient and b is the constant of y-intercept.
anonymous
  • anonymous
A more mathematical term would be that the first derivative of an equation will tell you what is the slope. If y = mx + b then (dy/dx) = m
anonymous
  • anonymous
I hope this makes sense....
anonymous
  • anonymous
it does thank you!
anonymous
  • anonymous
the slope is 8, therefore it is going to the upper right since it is positive and it is steep
Photon336
  • Photon336
hmm why not y = 8x-5?
anonymous
  • anonymous
@Photon336 , what do you mean?
Photon336
  • Photon336
wait lol nvm

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